Light Bulb Sizes
LED light bulbs, black lights, halogen light bulbs – the list goes on in all kinds of shapes, sizes and watts. So Many Light Bulb Choices Incandescent light bulbs were the traditional light bulb standard for many years, but LED light bulbs are the new go-to bulb for many reasons.
Understanding common household light bulb shapes, sizes, and styles is important whether you’re converting outdated incandescent fixtures into energy-efficient ones or using LED bulbs for new-construction applications.
Bulb Shapes and Sizes. The code number of a bulb consists of a letter or letters followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. The mosts commonly used household bulb is the A-19. The bulb is "A" type and the diameter would be 23/8".
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Common sizes of the A bulb are A15, A19, and A21. The number designation in the code is usually the width of the bulb at its widest point designated in eighths of an inch. So an A19 is an A shape bulb and is 2.375 inches in diameter (19 divided by 8).
Bulb Shapes and Sizes. The code number of a bulb consists of a letter or letters followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. The mosts commonly used household bulb is …
Find the lightbulbs shape you’re looking for with this visual chart- detailed illustrations of bulb shapes include A19, MR16, PAR, and linear fluorescent tubes.
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The A-series light bulb is the "classic" type of light bulb that has been the most commonly used type for general-purpose lighting applications since the early 20th …
Find the light bulb base type you’re looking for with this visual chart- detailed illustrations of general bases, fluorescent bases and specialty halogen base types.
